Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 320
read by which the com-pression platform or the tension holder is secured to it. The draw-bar is enlargedin the middle, and against each of the two shoulders thus formed is secured a thinannular steel plate, 73 ; these plates are for the purpose of carrying and centringthe hydraulic support, which… … HYDRAUUC SCAI.E FOR EMERY TESTING MACHINES.n..nf J!?:- hand levers for adding weights and valves for controlling move-ment of testing machine. All poise weights handled without opening case. 3i6 Wm. Sellers & Co., Incorporated, Philadelphia, Pa. laterally, while it is left free to move…
Machine-tools · Machinery
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